QTS, QuTS hero, QuTScloud

published 2024-12-19 22 mo ago modified 2026-06-17 4 mo ago also EUVD-2022-32101

cvss: 6.8; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.6%; EPSS 0.6% chance of exploitation in 30 days, percentile 48%
public exploits: 0; none known

An uncontrolled resource consumption vulnerability has been reported to affect several QNAP operating system versions. If exploited, the vulnerability could allow remote attackers to launch a denial-of-service (DoS) attack.

We have already fixed the vulnerability in the following versions: QTS 5.0.1.2277 and later QTS 4.5.4.2280 build 20230112 and later QuTS hero h5.0.1.2277 build 20230112 and later QuTS hero h4.5.4.2374 build 20230417 and later QuTScloud c5.0.1.2374 and later

Patch / fix

fixed in 3

QNAP Systems Inc. QTS 4.5.4.2280 build 20230112, 5.0.1.2277
QNAP Systems Inc. QuTS hero h4.5.4.2374 build 20230417, h5.0.1.2277 build 20230112
QNAP Systems Inc. QuTScloud c5.0.1.2374

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 22 mo ago (2024-12-20)

Exploit prediction

0.59% chance of exploitation in the next 30 days, higher than 48% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	6.8	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H
NVD	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

QNAP Systems Inc. QTS
QNAP Systems Inc. QuTS hero
QNAP Systems Inc. QuTScloud

Classification

Weakness

CWE-400 Uncontrolled Resource Consumption
CWE-798 Use of Hard-coded Credentials

References

qnap.com /en/security-advisory/qsa-23-09
vendor-advisory

Sources

CVE List CVE-2022-27600
NVD CVE-2022-27600

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary